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The ages in years of a random sample of shoppers at a gaming store are shown Determine the range mean variance and standard deviation of the sample data set 12 21 23 13 16 18 22 16 13 15 The range is Simplify your answer The mean is Simplify your answer Round to the nearest tenth as needed The variance is Simplify your answer Round to the nearest tenth as needed The standard deviation is Simplify your answer Round to the nearest tenth as needed
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